/* ---- Reset doux & variables ---- */
:root {
    --brand: #1f60e0;
    --brand-600: #184db3;
    --ink: #111827;
    --muted: #6b7280;
    --bg: #ffffff;
    --bg-soft: #f8fafc;
    --line: #e5e7eb;
    --radius: 14px;
    --shadow: 0 6px 20px rgba(16, 24, 40, .06);
}

* {
    box-sizing: border-box
}

html,
body {
    margin: 0;
    padding: 0
}

body.infos-body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
}

/* ---- Containers ---- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px
}

/* ---- Header ---- */
.infos-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .85);
    backdrop-filter: saturate(160%) blur(8px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px
}

.brand-logo {
    height: 36px;
    display: block
}

.topnav {
    display: flex;
    gap: 18px
}

.topnav-link {
    text-decoration: none;
    color: var(--ink);
    font-weight: 600;
    padding: 8px 10px;
    border-radius: 10px;
    transition: .2s ease;
}

.topnav-link:hover {
    background: var(--bg-soft);
    color: var(--brand)
}

/* ---- Hero ---- */
.hero {
    padding: 28px 0 14px;
    border-bottom: 1px solid var(--line)
}

.hero-title {
    margin: 0 0 6px;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.25;
    letter-spacing: -.01em
}

.hero-intro {
    margin: 0;
    color: var(--muted);
    max-width: 72ch
}

/* ---- Layout grid ---- */
.content-grid {
    display: grid;
    gap: 28px;
    padding: 26px 0 60px;
    grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
    .content-grid {
        grid-template-columns: minmax(0, 1fr) 280px
    }
}

/* ---- Prose ---- */
.prose h1,
.prose h2,
.prose h3 {
    line-height: 1.25
}

.prose h1 {
    font-size: 28px;
    margin: 28px 0 12px
}

.prose h2 {
    font-size: 22px;
    margin: 24px 0 10px
}

.prose h3 {
    font-size: 18px;
    margin: 20px 0 10px
}

.prose p {
    margin: 10px 0;
    max-width: 75ch
}

.prose ul,
.prose ol {
    padding-left: 20px;
    margin: 8px 0 14px
}

.prose li {
    margin: 6px 0
}

.prose a {
    color: var(--brand);
    text-decoration: none;
    border-bottom: 1px solid rgba(31, 96, 224, .3)
}

.prose a:hover {
    color: var(--brand-600);
    border-bottom-color: rgba(24, 77, 179, .5)
}

.prose hr {
    border: none;
    border-top: 1px solid var(--line);
    margin: 26px 0
}

/* ---- Cards / Aside ---- */
.aside {
    position: relative;
}

@media (min-width:1024px) {
    .aside {
        position: sticky;
        top: 88px
    }
}

.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
}

.card h3 {
    margin: 0 0 10px;
    font-size: 16px
}

.toc {
    list-style: none;
    padding: 0;
    margin: 0
}

.toc li {
    margin: 6px 0
}

.toc a {
    display: block;
    padding: 6px 6px;
    border-radius: 8px;
    color: var(--ink);
    text-decoration: none;
    border: none
}

.toc a:hover {
    background: var(--bg-soft);
    color: var(--brand)
}

/* ---- Helpers ---- */
.badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: var(--brand);
    padding: 4px 8px;
    border-radius: 999px
}

/* ---- Print ---- */
@media print {

    .infos-header,
    .topnav,
    .aside {
        display: none !important
    }

    .hero {
        padding: 0;
        border: none
    }

    .page.container {
        max-width: 100%
    }

    a {
        color: inherit;
        border: none;
        text-decoration: underline
    }
}